They have been skating __________.
#40389
A
for three hours
B
since three hours ago
C
three hours ago
D
since three hours
推荐题目
Hello! I'm very glad to see you. When_________ you_________ here?
#42301
A
did; arrive
B
will; arrive
C
have; arrived
D
are; arriving
–What did you do last Sunday?–I ________ to see the movie Tai Jiong with my friend. It was really funny.
#39510
A
go
B
had gone
C
have gone
D
went
Jenny __________in the kitchen when you called her at 5 o’clock this afternoon?
#39623
A
is cooking
B
was cooking
C
cooks
D
cooked
—Where ____ you ____ lunch? —At home．There was no school lunch
#42770
A
did；have
B
are；having
C
will；have
D
do；have
I don’t know if she ________ married whether she ________ me know.
#41676
A
is, lets
B
gets, will let
C
will get, lets
D
will get, will let